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LC200 SeriesGPRS/UMTS Wireless Modem with RS232 Interface
Hardware Reference ManualRev 1.0
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
2
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Table of ContentsPage
Introduction 3
About Siretta 4
General Description 5
Specifications 6
AT Commands 7
LC200 Interface 8
System Diagram 10
System Overview 11
Modes of Operation 12
Ordering Information 13
Dimensions 14
DIN Rail Mount 16
Mounting the LC200 16
Removing the LC200 16
LC200 Series Images 17
LC200 LED Indicator 18
Modem States 19
Interfaces 20
RS232 Serial Port Interface 20
RS485 Serial Port Interface (Optional) 22
LC200-UMTS USB Serial Port Interface 23
USB Interface Drivers 24
SIM Socket 26
SIM Requirements 26
Antenna Connector 27
GSM/UMTS Antenna Connector 27
Power 29
LC200-GPRS USB Power Connector 29
Power Connector (2-pin 3.5mm Pluggable Terminal Block)
30
Power Supply Requirements 31
Current Consumption 33
Switching the Modem ON/OFF 34
Siretta Recommends 36
Installation 38
Considerations for Installations Incorporating the LC200
38
Power Supply Installation 39
Securing the Modem 39
Safety and Product Care 40
General Precautions 40
SIM Card Precautions 40
Antenna Precautions 41
Exposure to RF Energy 41
Safety Recommendations 43
Conformity Assessment 44
Disclaimer 45
Definitions 46
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
3
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
This document is intended to provide guidance when adding a modem from the LC200 Series to your system.
The LC200 series of GPRS/UMTS M2M modems are a low cost range of modems developed for easy integration into existing systems and for embedded application development.
The LC200 modem range is based on the Telit xL865 GPRS/UMTS module series without GPS. The modem manages the module power up sequence and can be programmed to perform additional custom tasks.
This document discusses the modems hardware and software states and modes of operation, in addition to the electrical characteristics of the modems interfaces.
Introduction
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
4
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Siretta, located in Reading, United Kingdom have been manufacturing antennas, cable assemblies and cellular modems for over 10 years. We supply our products globally to many of the world’s leading organizations.
Whether you require an off the shelf or custom solution, Siretta has a wide portfolio of antenna, RF cable assemblies and modems to fit your application.
Our extensive knowledge and experience in the wireless market allows us to support a wide range of customer applications, focusing on frequencies typically within the 75MHz - 5.8GHz range. These encompass the HF, VHF, ISM, GSM/GPRS/3G/4G and GPS frequencies as well as industrial WLAN and VHF/UHF antenna/Wi-Fi antenna solutions.
With a heavy emphasis on design, we have a team of dedicated Application Engineers and Product Managers, backed up by Field Sales Engineers, who specialise in wireless applications.
We have made significant investments in R&D facilities which boast GPS hardware development equipment and a GSM Pico Cell on site, as well as development software and a comprehensive suite of Industrial, Scientific and Medical band, and non ISM band frequency products. We have many technology partners enabling us to keep at the forefront of the communications industry and offer class leading wireless solutions.
About Siretta
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
5
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
The LC200 range of wireless modems is a compact cellular modem with RS232 port (RS232 and USB on 3G model) and plastic housing, offering state-of-the-art 2G/3G connectivity for machine to machine (M2M) applications.
Features
» TCP/IP, SMS and CSD access via linkCONNECT software
» 1 x RS232 serial port
» 1 x mini USB 2.0 high speed interface (available on 3G model only)
» Wide range input voltages
» Extreme operating temperature
» The plastic enclosure can be mounted on a DIN-rail or on the wall
General Description
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
6
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Specifications
LC200-GPRS LC200-UMTS
Standards: GSM/GPRS/EDGE GSM/GPRS/EDGE/UMTS/HSDPA/HSPA+
2G frequency band: 900, 1800MHz (EU Version) 900, 1800MHz (EU Version)
3G frequency band: - 900, 2100MHz (EU Version)
Dimensions: 75 x 84 x 31mm 75 x 84 x 31mm
Weight: 105g 105g
Input voltage: 6 - 18V 6 - 21V
Power consumption: Idle: 50 - 60mA @ 12V Idle: 50 - 60mA @ 12V
Operating environment:-40 to +85°C5 to 95% RH
-40 to +85°C5 to 95% RH
GSM antenna connector: SMA Female SMA Female
USB interface: Mini USB (Power only) Mini USB 2.0 (Serial data and power)
Table 1. Specifications of the LC200 modem
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
7
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
AT Commands
The LC200 range of wireless modems has a GSM engine at its heart which can be configured via the serial interface using the Configuration Utility or SMS commands.*
*See ‘linkCONNECT Software Manual’ for more information on the Configuration Utility.
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
8
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
LC200 Interface
Standard Hardware Interfaces
The LC200 series modem comes with the following interfaces:
» 1 x RS232 serial port interface for direct serial connection to device
» LC200-GPRS: 1 x mini USB (Power only) LC200-UMTS: 1 x mini USB 2.0 (Serial data and power)
» 1 x power connector (2-pin 3.5mm pluggable terminal block)
» 1 x SMA female GSM antenna connector
» 1 x SIM card reader (push-push)
» 1 x external LED status indicator (Green)
Cellular Interface
The LC200 series modem comes with the following cellular interfaces:
» GPRS: Max 6.8kbps (DL & UL), Class 10
» EDGE: Max 236.8kbps (DL & UL), Class 12
» UMTS: Max 384kbps (DL & UL)
» HSDPA: Max 3.6Mbps / 384kbps (DL / UL)
» HSPA+: Max 7.2 / 5.76Mbps (DL / UL)
» CSD: Up to 9.6kbps
RS232 Serial Interface
The LC200 series modem comes with the following RS232 port interfaces:
» ESD protection: 15KV
» Parameters: 1200bps to 115200bps
» RS232: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
USB Port Interface
The LC200 series modem comes with the following USB port interfaces:
» ESD protection: 15KV
» 5V power supply for modem
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
9
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Optional Coverage
The LC200 series modems have the following coverage options available:
» (EU) European Union
» (NA) North America
Optional Technologies
The LC200 series modems have the following optional technologies available:
» European GPRS (2G)
» European UMTS (3G)
Optional Modem Features*
Optional Hardware
The LC200 series modems have the following optional hardware features:
» RS485 serial port (serial interface: Data+ (A), Data- (B), GND)
*To add optional features on your modem, see ordering Information on page 13
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
10
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
System Diagram
Figure 1. LC200 system diagram
The linkCONNECT LC200 series of self managing modems makes connecting over the 2G or 3G networks simplicity itself. The Siretta linkCONNECT software does all the hardwork for you and is easy to configure and work with. When connected to your equipment the LC200 series will auto negotiate and connect to any network and reboot as necessary to maintain connectivity to the internet and / or be monitored / controlled from anywhere in the world.
GSM
PSU Power Input
SIM
RS232 Serial Port Interface
Visual Indicators
Power Supply Subsection
Communication Subsection
USB Port
Telit xL865 Module
* USB interface only provides power for LC200-GPRS and provides serial data and power for LC200-UMTS.
*
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
11
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
This LC200 can be used in a number of applications, some examples are shown below:
» Standard RS232 modem attached to existing equipment (PC/MAC/Server etc.)
» Standard USB modem attached to existing equipment (PC/MAC/Server etc.)
Typically connected devices are:
» PC/MAC/Linux platforms for use as modem » Embedded (connected directly to remote equipment without a PC attached)
Operating System Connected Modem
» Connect to a remote device with RS232 connectivity over 2.5G/3G. Internet connectivity can be retrofitted to end equipment without changing the software or configuration of the remote device.
System Overview
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
12
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Examples:
» Vending machine where the head office would poll for drinks remaining/money taken etc. This would be an on-demand pull to obtain results in real time.
» Monitoring AMR/temperature/equipment in a home, i.e. Interrogate lights etc.* » Monitoring GPIO, i.e. Open doors/windows* » Remote entry system, i.e. Send a message to the modem to open a gate/door to
allow access.* » Streaming live data from remote system to a central location
» Remote printing applications (remotely print over the GPRS network)
» Polling remote devices for information to prevent an engineer callout
USB Interface
This is a USB standard Communication Device Class (CDC) device. To use the LC200 with a Windows OS, you will need a supported driver. Please contact your Siretta representative to obtain this.
Modes of Operation
*NOTE: Requires additional hardware not supplied with the LC200. Please speak to your Siretta representative for more information.
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
13
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Ordering Information
LC200 XXXX
Product Module Version
GPRS (EU) = European Coverage of GPRS Technology
UMTS (EU) = European Coverage UMTS Technology
Part Numbering Examples
» LC200-N-GPRS (EU) = EU Coverage GPRS Wireless Modem with RS232 Interface
Modem Identifier
LC200 = Wireless Modem with RS232 and USB Serial Port Interfaces
-
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
14
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
DimensionsAll dimensions are shown in mm. The mounting holes are suitable for a M3 fixing screwing. These drawings are relevant for the entire LC200 series modems.
Figure 2. LC200 modem front view - dimensions
75.
20
83.70
79.
28
32.90
30.60
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
15
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Figure 3. LC200 modem side view - dimensions
75.
20
83.70
79.
28
32.90
30.60
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
16
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
DIN Rail Mount
Figure 4. Mounting LC200 to DIN rail Figure 5. Removing LC200 from DIN rail
The LC200 has an integrated DIN rail mount housing which allows the unit to connect on to the standard rail widely used for mounting industrial control equipment inside equipment racks. This has been adopted as a European (EN) and International (ISO) Standard.
Hook the bottom modem DIN rail clip onto the bottom of the DIN rail
Push modem 45° until the top DIN rail clip locks onto the top of DIN rail
12
1
2
Mounting the LC200 Removing the LC200
Slide DIN rail clip upwards
Pull modem 45° until the top DIN rail clip unlocks from the top of DIN rail
Slide modem down, until bottom DIN rail clip unlocks from the bottom of the DIN rail
1
2
1
2
3
3
1:1 @ A3 Sheet Size
A B C D E F G H I
7
6
5
4
3
IHGFEDCB
2
A1
AMENDMENTS
JOB NUMBER
Concept
DRAWING TITLE
STATUS
PROJECT INFO
UK
COPYRIGHT WARNINGThese drawings and designs remain the property of Sequoia Technology Group. Any unauthorised use will render the offender liable for damages.
ALL DIMENSIONS ARE IN Millimeters UNLESS OTHERWISE STATED
SA11214 4.0
Complete assemblyRobustel Enclosure
Mounting
Siretta
06/02/2014B.Hulman
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DESIGNER
26/08/2014ISSUE DATE
DO NOT SCALE OFF DRAWINGEMAIL [email protected] FOR DXFS OR OTHER SCALABLE FILES.
Page
No:
08
/08GENERAL NOTES:
PART NUMBER REV
SCALE
4.0_Updated colour and added silk screen_28/03/14_BH3.0_Adjusted to suit findings from 3D print prototypes. Added logo._12/03/14_BH2.0_Revised as per drawings supplied by supplier_03/03/14_BH1.0_Preliminary issue_07/02/14_BH
1:1 @ A3 Sheet Size
A B C D E F G H I
7
6
5
4
3
IHGFEDCB
2
A1
AMENDMENTS
JOB NUMBER
Concept
DRAWING TITLE
STATUS
PROJECT INFO
UK
COPYRIGHT WARNINGThese drawings and designs remain the property of Sequoia Technology Group. Any unauthorised use will render the offender liable for damages.
ALL DIMENSIONS ARE IN Millimeters UNLESS OTHERWISE STATED
SA11214 4.0
Complete assemblyRobustel Enclosure
Mounting
Siretta
06/02/2014B.Hulman
DR
AWIN
G: X
:\Seq
uoia
Des
ign\
Sire
tta\R
obus
tel M
odul
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tel A
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n\Si
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\Rob
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l Mod
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Rob
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embl
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DESIGNER
26/08/2014ISSUE DATE
DO NOT SCALE OFF DRAWINGEMAIL [email protected] FOR DXFS OR OTHER SCALABLE FILES.
Page
No:
08
/08GENERAL NOTES:
PART NUMBER REV
SCALE
4.0_Updated colour and added silk screen_28/03/14_BH3.0_Adjusted to suit findings from 3D print prototypes. Added logo._12/03/14_BH2.0_Revised as per drawings supplied by supplier_03/03/14_BH1.0_Preliminary issue_07/02/14_BH
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
17
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
LC200 Series Images
Figure 8. LC200 - DIN rail mounted
Figure 7. LC200 power, USB & RS232 interfacesFigure 6. 3D view of the LC200
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
18
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
LC200 LED IndicatorThe LC200 has 1 LED output that easily indicates the functional/operational state of the modem.
Table 2. LED status
Name Colour Status Description
POWER Green ON LC200 is powered on
POWER Green OFF LC200 is powered off
Figure 9. LED
Green LED
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
19
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Table 3. Modem states (assume AT#SLED=2*)
Current Modem State Input Next state Indication of new state
Power Off Connect power Run ModeGreen LED will be on continuously
Run Mode Insert a valid SIM card On NetworkGreen LED will be on continuously
On Network Remove power Power off No activity on LED
Run Mode Remove power Power off No acitivity on LED
Power Off Connect power Run ModeGreen LED will be on continuously
Run Mode Insert a valid SIM card On NetworkGreen LED will be on continuously
NOTE - Normal Operation: When the modem is first switched on with a valid SIM card, the green LED will be on continuously. The modem will attempt to join a network and should take about 10-15 seconds (this may vary considerably) whilst the modem searches for the network. During this period you can determine the registration status of the network using the AT command ‘AT+CREG?’ which will return one of 5 states as shown below:
+CREG: 0,1 – Indicates that the modem is registered to the home network
+CREG: 0,2 – Indicates that the modem is searching for a network
+CREG: 0,3 – Indicates that the modem has been denied network access
+CREG: 0,4 – Indicates that the modem has a network problem
+CREG: 0,5 – Indicates that the modem is registered to a roaming network
If the response ‘+CREG:0,2’ is returned for a long period of time (more than 5 minutes) then this suggests that there may be a problem with the SIM setup, the network signal or the antenna connection.
The current modem state and function is shown below in table 3.
Modem States
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Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
20
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
RS232 Serial Port Interface
The modem can be configured by the RS232 connection using the linkCONNECT Configuration Utility.*
Pin Name Direction Status Direction
1 DCD Output from UART that indicates the carrier is present Connected OUT
2 RXD Output transmit line of UART Connected OUT
3 TXD Input receive line of UART Connected IN
4 DTR Input to UART and controls DTE ready condition Connected IN
5 GND Ground Connected IN
6 DSR Output from UART that indicates the module is ready Connected OUT
7 RTS Request to Send - Input line of UART that controls hardware flow control Connected IN
8 CTS Clear to Send - Output line of UART that controls hardware flow control Connected OUT
9 RI Ring Indicator - Output line of UART that indicates the incoming call condition Connected OUT
Table 4. Pin usage
Figure 10. RS232 serial port
RS232 port
Figure 11. Pin numbering
5
9
1
6
Interfaces
*See ‘linkCONNECT Software Manual’ for more information on the Configuration Utility.
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
21
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
RS232 Male to RS232 Female Cable
The RS232 serial cable is the standard cable used for connecting the LC200 modem to other devices such as a PC or industrial control equipment. The RS232 serial cable allows a serial connection to the modem which you can use to setup and change the modem configuration as well as providing a communication channel for connected equipment over the GSM/UMTS network. Please turn to page 36 for ordering details.
Figure 12. RS232 Male to RS232 Female Cable
RS232 Male to USB Cable
The RS232 Male to USB cable allows you to connect to the RS232 serial port which is the standard cable used for connecting the LC200 modem to other devices such as a PC or industrial control equipment. The USB to RS232 Male serial cable allows a serial connection to the modem via USB which you can use to setup and change the modem configuration as well as providing a communication channel for connected equipment over the GSM/UMTS network. Please turn to page 36 for ordering details.
Figure 13. RS232 Male to USB Cable
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
22
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
RS485 Serial Port Interface (Optional)
This connector provides a serial RS485 communication between the LC200 modem and the connected equipment. The modem can be configured via the Rs485 connection using AT commands as specified in the AT command manual.
Pin Name Direction Status Direction
1 Data+ (A) RS485 Differential Data Positive Connected IN/OUT
2 Not Connected
3 Not Connected
4 Not Connected
5 Not Connected
6 Data- (B) RS485 Differential Data Negative Connected IN/OUT
7 Not Connected
8 Not Connected
9 Not Connected
Table 5. Pin usage
Figure 14. RS485 serial port
RS485 port
Figure 15. Pin numbering
5
9
1
6
For more information about the optional LC200 RS485 interface, please contact your Siretta representative or call us on +44(0)118 976 9014.
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
23
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
LC200-UMTS USB Serial Port Interface
A mini USB type B connector is provided for USB serial connection*. When the LC200-UMTS USB interface is used for sending/receiving data as well as power supply, the current/voltage output of the USB interface can reach at least 1A/5V. Pins on this connector are shown in table 6 below.
Figure 16. LC200-UMTS USB Connector
Table 6. Mini USB Connectors
Pin Name Direction Description Low Level Nominal High Level
1 VBUS Input USB Power VBUS 4.75V 5V 5.25V
2 D- Differential Data Minus 4.75V 5V 5.25V
3 D+ Differential Data Plus 4.75V 5V 5.25V
4 - - - - - -
5 GND Input Signal Ground - 0V -
*Serial connection is only available with the LC200-UMTS. To see functionality of the USB port on the LC200-GPRS, see page 29 LC200-GPRS USB Power Connector.
A member of the Olancha Group Ltd
Registered in England No. 08405712VAT Registration No. GB163 04 0349
Siretta LtdBasingstoke Road
Spencers WoodReading
Berkshire RG7 1PW
salesfaxemailweb
+44(0)118 976 9014+44(0)118 976 9020
24
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
LC200-UMTS USB to Mini USB Cable
The USB to Mini USB cable allows you to connect to the LC200-UMTS modem via the standard USB port. The Mini USB cable connects the modem to other devices such as a PC or industrial control equipment. The USB to Mini USB serial cable allows a serial connection to the modem via USB which you can use to setup and change the modem configuration as well as providing a communication channel for connected equipment over the GSM/UMTS network. Contact your Siretta representative for ordering details.
Figure 17. USB to Mini USB Cable
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Registered in England No. 08405712VAT Registration No. GB163 04 0349
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Spencers WoodReading
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salesfaxemailweb
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25
LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
The LC200-UMTS series modems support a standard USB 2.0 device interface compatible with USB 2.0 specifications and supporting the USB low-speed [1.5 Mb/s] and full-Speed (12 Mb/s) modes. The USB port can be used to send AT-commands, reprogram the modems and view debug output. The maximum baud rate available to communicate with the LC200-UMTS series modems is up to 12 Mbit/s.
Drivers are required to use the USB port and are available for several operating systems including Windows/Linux. Please contact Siretta for more information.
In HSDPA (High Speed Downlink Packet Access) mode, the downlink data speed rates can be up to 7.2Mbps. To achieve this network data rate using the LC200-UMTS, integrators need to interface the LC200 to their applications in full-speed (12 Mb/s) mode.
The device driver creates a number of COM ports on the system for access to the module type. Please see below for port details.
USB0 → linkCONNECT Serial Interface
USB1 → Unused
USB2 → Unused
USB3 → Unused
USB4 → Unused
USB5 → Unused
LC200-UMTS USB Interface Drivers
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Figure 18. SIM holder
SIM holder
SIM Insert SIM this way
SIM Socket
Figure 19. SIM card dimensions
SIM Requirements
1.8V/3.3V Mini SIM (2FF) supported on the LC200 modem.
SIM services available for the LC200 GPRS series include:
» 2G GSM (900/1800MHz)
» SMS,
» GPRS
» CSD
SIM services available for the LC200 UMTS series include:
» 2G GSM (900/1800MHz)
» 3G UMTS (900/2100MHz)
» SMS
» GPRS
» CSD
The LC200 modem supports fixed SIMs locked to a network and roaming SIMs which can operate on more than one network within the home country. This allows for least cost routing for roaming mobile data and machine to machine applications where signal strength is variable in any given area and network selection is required.
The LC200 also supports global roaming SIMs which will work with any network it can detect, at home or abroad and can be chosen for best performance.
NOTE - 3G only SIM will not be supported on 2G GSM only modem. Please ensure SIM is 2G and 3G capable for greatest compatibility.
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Antenna ConnectorFigure 20. Antenna connector
GSM antenna connector
Antenna PlacementWhen in service the antenna should be placed away from electronic devices or other antennas. The recommended minimum distance between adjacent antennas, operating on a similar radio band, is at least 50cm.
Antenna Connection CableIf a cable is used to connect the modem to the antenna this cable must be a high quality low loss cable. The cable and any connectors used should have 50 ohms impedance.
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
A female SMA connector is provided to allow connection of a passive antenna. For optimum performance the antenna assembly connected to this modem is required to have the following characteristics:
» For 2G GSM operation specified operation in the following bands: GSM 900/1800MHz
» For 3G UMTS operation specified operation in the following bands: GSM 900/2100MHz
» The characteristic impedance on any antenna or cable assembly attached to this modem should be 50 ohms
» The antenna must be capable of handling a minimum of 2W output power
» The VSWR should be less than 3:1 to avoid damage to the modem
GSM/UMTS Antenna Connector
GSM Antenna
Figure 21. Mike 1A GSM antenna
The GSM antennas we recommend to use for the LC200 series is the Mike 1A SMA male magnetic mount antenna and the Delta 1A SMA male stubby antenna, (Most other Siretta styles of GSM antennas are usable depending on customer preference). Please turn to page 36 for ordering details for the Mike 1A, alternatively visit www.siretta.co.uk/mike1a-p-339.html for more information about this antenna. Please turn to page 36 for ordering details for the Delta 1A, alternatively visit http://www.siretta.co.uk/delta-gsmgprs-right-angle-stubby-antenna-p-255.html for more information about this antenna.
Figure 22. Delta 1A GSM antenna
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
LC200 USB Power Connector
The mini USB type B connector is provided for power connection to the modem. the current/voltage output of the USB interface can reach at least 1A/5V. Pins on this connector are shown in table 7 below.
Figure 23. LC200-GPRS USB Connector
Table 7. Mini USB Connectors
Pin Name Direction Description Low Level Nominal High Level
1 VBUS Input USB Power VBUS 4.75V 5V 5.25V
2 - - - - - -
3 - - - - - -
4 - - - - - -
5 GND Input Signal Ground - 0V -
Power
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Power Connector(2-pin 3.5mm Pluggable Terminal Block)
A 2-pin 3.5mm pluggable terminal block is used for supplying DC power to the modem.
Table 8. LC200-N-GPRS (EU) in usage
The modem ON/OFF state is activated by applying power to the power inputs.
Figure 24. Terminal block power connector
Power connector
Figure 25. Pin numbering
Pin Name Direction Description Low Level Nominal High Level
1 Vin Input Input power 6V 12V 18V
2 GND Input Signal ground - 0V -
V+
V-
Table 9. LC200-N-UMTS (EU) in usage
Pin Name Direction Description Low Level Nominal High Level
1 Vin Input Input power 6V 12V 21V
2 GND Input Signal ground - 0V -
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Power Supply Requirements
A DC power supply must be connected to the power input.
Table 10. Characteristics of power input
The LC200 modem has a wide operating voltage and can be powered from 6V to 26V (depending on LC200 version). Powering the modem can be done via:
» Modem Power Supply - Standard multi region power supply provides constant 12V at 2A (see overpage)
LC200 GPRS LC200 UTMS
DC input voltage 6 to 18V 6 - 21V
Recommended input voltage 12V DC 12V DC
Supply current @ 12V:
Peak (20ms at registration) 2A 2A
Average standby 25mA 25mA
Call in progress 250mA 250mA
Ringing 250mA 250mA
NOTE - The current requirements of the LC200 modem will scale with input voltage. The higher the input voltage the lower the current consumption, the power consumption will remain constant. Recommended input voltage is 12V.
The LC200 modem has the following input power supply protection:
» On board voltage reverse polarity protection
» Over voltage spike protection to 70V for 1mS.
» ESD protection to +/-4KV contact discharge and +/-8KV air discharge.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Modem Power Supply
Figure 26. Siretta Modem PSU
The Siretta power supply for the range of modems provides an industry standard output which is compatible across the range of Siretta modems. With a stable 12V output voltage, the Modem PSU offers a wide input voltage as well as being highly efficient. Contact your Siretta representative for ordering details.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Current Consumption
The measurement was taken with 2 Voltages (5V, 12V).
The modem was connected via RS232 to a PC in order to send/receive AT commands. The temperature was maintained in a temperature chamber. The voice call with power level 5 in GSM 900 was established with a GSM signal generator test set.
5V 12V
Modem switched off 0.01 mA 0.67 mA
On, network connection (Idle mode) 71 mA 25 mA
On, network connection voice call (power level 5) GSM 900 235 mA 98 mA
Table 11. LC200 modem current consumption
Function State Current
Modem on (Not registered) Idle 39mA
Modem on (Registered) Idle 36mA
Modem on (Registered with IP address) Idle 40mA
Modem on (Registered with socket connected) Idle 41mA
Modem On (Registered with socket connected) - Peak Transmitting 109mA
Modem on (Registered with socket connected) - Average Transmitting 98mA
Table 12. LC200 module current consumption
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Switching the Modem ON/OFF
Power on the LC200
The LC200 modems are designed to auto power up using a built in power controller. This process is controlled by default within the modem to control the module functionality and allows for automatic power up when power is supplied. The auto power on control will automatically power up the modem as required and manage its status whilst it is online.
NOTE - The modem is fully operational after it has powered on and able to send AT commands. This may take anything from 2 to 6 seconds depending on the startup procedure. Once the modem is powered up it will automatically attempt to logon to the GSM network and may take anything from 10 seconds to 4 minutes depending on the network. This is outside the control of the modem and is network and frequency dependant.
Power off the LC200
To power the LC200 down, manually power down the modem removing power from the input power supply on the 3.5mm power connector. When power is removed the modem will power off. NOTE - This process does not safely disconnect from the network and immediately powers down the modem. If used continuously you may find that the network will block the modem IMEI and prevent network access.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Considerations when manually powering the LC200 on and off
The power supply required to successfully power the LC200 should provide a fast, positive transition from 0V (GND) up to Vcc (max 18V GPRS version, max 21V UMTS version), or at least a large fraction of that voltage range (>6V). Very slow transitions (significantly slower than many milliseconds) or very small transitions (e.g. only a few millivolts instead of 6V to 18V GPRS version, 6V to 21V UMTS version) will not turn on the modem (since they are not considered to be a “positive edge”).
Although this will not be an issue in almost all typical applications of the modem, under the following condition special design care has to be taken:Large capacitors in your power supply which will lead to slow leading and falling edges
The case above might prevent the modem from recognizing the power-up signal. This is no failure of the modem itself, the same would apply to almost any electronic device that provides a separate “power-on” signal.
If you are in doubt, please use the following recommendations:
» Use the Vcc power supply signal from the main supply to test the power on signal function.
» Make sure that your signal and system design adheres to the recommendations mentioned above.
» Consult our support team and we will be more than happy to assist you.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Product Part No. Description
Interface Cables
RS232 Male to Female Cable 29284 The RS232 serial cable is the standard cable used for connecting the LC200 modem to other devices such as a PC or industrial control equipment. The RS232 serial cable allows a serial connection to the modem which you can use to setup and change the modem configuration as well as providing a communication channel for connected equipment over the GSM/UMTS network.
29284 - Cable length: 1m
USB to RS232 Male Cable 29891 The USB to RS232 Male serial cable allows a serial connection to the modem via USB which you can use to setup and change the modem configuration as well as providing a communication channel for connected equipment over the GSM/UMTS network.
29891 - Cable length: 1.5m
Siretta RecommendsAll LC200 series modems will require extra product which are all available from Siretta. Below are some of the products we recommend for your modem:
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Antennas
Mike 1A 33529 /33530
The Mike 1A is a versatile ¼ wave magnetic mount antenna, and is very popular being used by many users of GSM / GPRS and 3G equipment. Of rigid construction with a unity gain whip, the magnetic mount base ensures a solid connection to metallic surfaces.
33529 - Cable length: 1.2m
Connector: SMA Male
33530 - Cable length: 2.5m
Connector: SMA Male
Delta 1A 34368 The Delta 1A is a direct connect, stubby antenna tuned to the quad band GSM / GPRS and 3G frequencies and built with a straight connector. Despite its small size of 56mm in length, it still performs at a high level that most stubby antennas cannot compete with.
The Delta 1A offers a small and compact, cable-free antenna solution that is ideal for use with wireless modems within the M2M industry.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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InstallationConsiderations for Installations Incorporating the LC200
There are several conditions which need to be taken into consideration when designing your application as they might affect the modem and its functionality. These are:
Environmental conditions: The modem must be installed so that the environmental conditions stated such as temperature, humidity and vibration are satisfied. Additionally, the electrical specifications must not be exceeded.
GSM signal strength: The modem/antenna has to be placed in a position that ensures sufficient GSM signal strength. To improve signal strength, the antenna can be moved to a more elevated position. Signal strength usually depends on how close the modem is to GSM base station. You must ensure that the location at which you intend to use the modem is within the network coverage area. Degradation in signal strength can be the result of a disturbance from another source, for example an electronic device in the immediate vicinity.
Please see the SNYPER range of signal strength testers at www.siretta.co.uk
Tip: Before installing the modem you can use an ordinary mobile telephone to check the signal strength in each possible installation location. Siretta can also provide a GSM signal tester which provides a full breakdown of the GSM signal received.*
When considering the location for the modem and antenna placement, you must consider received signal strength as well as cable length as long cable runs can attenuate the received signal strength.
Connections of components to LC200 Series modems: The system integrator is responsible for the final system solution. If external components are incorrectly designed or installed it may cause radiation limits to be exceeded. For instance, improper cable connections or incorrectly installed antennas can disturb the network and lead to modem malfunction.
*Please contact your Siretta representative for more information
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Power Supply Installation » Use a high-quality power supply with short leads. This ensures that the voltages
at the connector pins are within the specified range, especially during the maximum peak current of approximately 2A.
» When the modem is powered from a battery or a high current supply, connect a fast 1.25A fuse in line with the positive supply. This protects the power cabling and modem from damage.
Network and subscription: Before your application is used, you must ensure that your chosen network provides the necessary telecommunication services. Contact your service provider to obtain the necessary information.
» If you intend to use SMS in the application, ensure this is included in your subscription.
» Consider the choice of the supplementary services such as GPRS and CSD.
Securing the ModemBefore securing the modem please take into account the amount of additional space required for the mating connectors and cables that will be used with the modem in the application.
» Where access is restricted, it may be easier to connect all the cables to the modem prior to placing it in the application on the headers.
» Securely attach the LC200 series modem to the host application using 2 M3 3mm diameter pan-head screws or use DIN rail mount.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Safety and Product CarePlease read the information on this page and page 38 ‘Installation’ before you begin your system integration.
General Precautions » The LC200 series modems are a standalone item designed for indoor use only.
For use outside it must be installed in a weatherproof enclosure.
» Do not exceed the environmental and electrical limits as specified.
» Avoid exposing the modem to lit cigarettes, naked flames or to extreme hot or cold temperatures.
» Never try to dismantle the modem. There are no components inside the modem that can be serviced by the user. If you attempt to dismantle the modem, you will invalidate the warranty.
» The LC200 series modems must not be installed or located where the surface temperature of the enclosure may exceed 85°C.
» All cables connected to the LC200 series modems must be secured or clamped, immediately adjacent to the modems connectors, to provide strain relief and to avoid transmitting excessive vibration to the modem in the installation.
» To protect power supply and to meet the fire safety requirements when the modem is powered from a battery or a high current supply, connect a fast 1.25A fuse in line with the positive supply.
» Do not connect any incompatible component or product to the LC200 series modem.
SIM Card PrecautionsBefore handling the SIM card in your application, ensure that you have discharged any static electricity. Use standard precautions to avoid electrostatic discharges.
» When designing a LC200 series modem into your application, the accessibility of the SIM card should be taken into account so that it can be removed or changed.
» We always recommend that you have the SIM card protected by a PIN code. This will ensure that the SIM card cannot be used by an unauthorized person.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Antenna PrecautionsIf the antenna is to be mounted outside, always consider the risk of a lightning strike. Follow the instructions provided by the antenna manufacturer. In addition please observe the following:
» Never connect more than one modem to a single antenna. The modem can be damaged by radio frequency energy from the transmitter of another modem.
» With all mobile station equipment, the antenna of the modem emits radio frequency energy. To avoid EMI (electromagnetic interference) you must determine if the application or equipment in the application’s proximity, needs further protection against radio emission and the disturbances it might cause. Protection is secured either by shielding the surrounding electronics or by moving the antenna away from the electronics and external signal cables.
» The modem and antenna may be damaged if either come into contact with ground potentials other than the ground potential used in your application. Beware, ground potentials can vary significantly between hardware platforms.
Exposure to RF EnergyThere has been some public concern about possible health effects of using GSM equipment in close proximity to a person or body. Although research on health effects from RF energy has focused for many years on the current RF technology, research has begun on new radio technologies, such as GSM and UMTS. After existing research had been reviewed, and after compliance to all applicable safety standards has been tested, it has been concluded that the LC200 series modem is fit for use.
If you are concerned about exposure to RF energy, there are a number of things you can do to minimize exposure. Obviously, limiting the duration of time near a device will reduce your exposure to RF energy. In addition, you can reduce RF exposure by operating your modem efficiently by adhering to the following guidelines:
Electronic devices: Most electronic equipment, for example in hospitals and motor vehicles is shielded from RF energy. However, RF energy may affect some malfunctioning or improperly shielded electronic equipment.
Vehicle electronic equipment: Check your vehicle manufacturer’s representative to determine if any on board electronic equipment is adequately shielded from external RF energy.
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LC200 SeriesGPRS/UMTS Wireless Modem with
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Medical electronic equipment: Consult the manufacturer of any personal medical devices (such as pacemakers, hearing aids, etc.) to determine if they are adequately shielded from external RF energy.
Turn your modem OFF in health care facilities when any regulations posted in the area instruct you to do so. Hospitals or health care facilities may be using RF monitoring equipment.
Aircraft: Turn your modem OFF before boarding any aircraft. To prevent possible interference with aircraft systems, Federal Aviation Administration (FAA) regulations require you to have permission from a crewmember to use your modem equipment whilst the plane is on the ground. To prevent interference with cellular systems, local RF regulations prohibit using your modem whilst in the air.
Blasting areas: To avoid interfering with blasting operations, turn your modem OFF when in a “blasting area” or in areas posted: “turn off two-way radio“. Construction crew often uses remote control RF devices to set off explosives.
Potentially explosive atmospheres: Turn your modem OFF when in any area with a potentially explosive atmosphere. It is rare, but your modems or their accessories could generate sparks. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death.
Areas with a potentially explosive atmosphere are often, but not always, clearly marked. They include fuelling areas such as petrol stations, below deck on boats, fuel or chemical transfer or storage facilities and areas where the air contains chemicals or particles, such as grain, dust or metal powders. Do not transport or store flammable gas, liquid or explosives, in the compartment of your vehicle, which contains your modem or accessories. Before using your modem in a vehicle powered by liquefied petroleum gas (such as propane or butane) ensure that the vehicle complies with the relevant fire and safety regulations of the country in which the vehicle is to be used.
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
Safety RecommendationsPLEASE READ CAREFULLY
Be sure the use of this product is allowed in the country intended and the environment required. The use of this product may be dangerous and has to be used with caution in the following areas:
» Where it can interfere with other electronic devices in environments such as hospitals, airports, aircrafts, etc
» Where there is risk of explosion such as gasoline stations, oil refineries, gas works etc
It is responsibility of the user to enforce the country regulation and the specific environment regulation.
Do not disassemble the product, any mark of tampering will compromise the warranty.
We recommend following the instructions of this hardware user guide for the correct wiring of the product. The product has to be supplied with a stabilized voltage source and the wiring has to conform to the security and fire prevention regulations.
The product has to be handled with care, avoid any direct contact with the pins because electrostatic discharge may damage the product. The same precautions have to be observed for the SIM card installation. Do not insert or remove the SIM when the product is in power saving mode. (AT+CFUN=5).
The system integrator is responsible for the complete functionality of the final product. Therefore, care has to be taken with the external components used with the module, as well as any installation issue.
Should there be any doubt, please refer to the technical documentation and the regulations in force. Every module has to be equipped with a suitable antenna with characteristics which match the product requirements.
The antenna has to be installed with care in order to avoid any interference with other electronic devices and has to guarantee a minimum distance from the body (20 cm). In case this requirement cannot be satisfied, the system integrator has to assess the final product against the SAR regulation EN 50360.
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
The LC200 series of modems conform to the R&TTE Directive for use as a stand-alone product. If the modem is installed in compliance with the telecoms installation instructions then no further evaluation is required under Article 3.2 of the R&TTE Directive and no further involvement of an R&TTE Directive Notified Body is required for the final application.
The LC200 series of modems conform to the following European Union Directives:
» R&TTE Directive 1999/5/EC (Radio Equipment & Telecommunications Terminal Equipment)
» LVD (Low Voltage Directive) 73/23/EEC and product safety
» Directive 89/336/EEC for conformity for EMC
In order to satisfy the essential requisite of the R&TTE 99/5/EC directive, the LC200 series modems are compliant with the following standards:
» GSM (Radio Spectrum). Standard: EN 301 511 and 3GPP 51.010-1
» EMC (Electromagnetic Compatibility). Standards: EN 301 489-1 and EN 301 489-7
» Include stand-alone spurious emissions to Clause 8.2 of EN 301 489-1.
» LVD (Low Voltage Directive) Standards: EN 60 950
Conformity Assessment
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LC200 SeriesGPRS/UMTS Wireless Modem with
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The information contained in this document is proprietary to Siretta. Siretta has made every effort to ensure that the accuracy of the information contained within this document is accurate. Siretta does not make any warranty as to the information contained within this document and does not accept any liability for any injury, loss or damage of any kind incurred by the use of this information.
Siretta does not take responsibility for any application developed using the modem characterized in this document and notes that any application of this modem must comply with the safety standards of the applicable country and comply with the relevant wiring rules. Siretta reserves the right to make modifications, additions and deletions to this document due to typographical errors, inaccurate information, or improvements to equipment at any time and without notice. Such changes will be incorporated into new editions of this document.
All rights reserved.
© 2016 Siretta Ltd
Disclaimer
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LC200 SeriesGPRS/UMTS Wireless Modem with
RS232 Interface
DefinitionsTerm Definition
2G 2nd Generation Mobile Telecommunications
3G 3rd Generation Mobile Telecommunications
AMR Automatic Meter Reading
AT Attention
CBS Cell Broadcasting Service
CSD Circuit Switched Data
CTS Clear to Send
DC Direct Current
ESD Electrostatic Discharge
GND Ground
GPIO General Purpose Input Output
GPRS General Packet Radio Service
GPS Global Positioning System
GSM Global System for Mobile Communications
LED Light Emitting Diode
M2M Machine to Machine
RI Ring Indicator
RS232 Radio Sector 232
RS485 Radio Sector 485
RTS Request to Send
RXD Receive Signal
SIM Subscriber Identity Module
SMA Sub Miniature Version A
SMS Short Message Service
TCP/IP Internet Protocol Suite
TXD Transmit Signal
UART Universal Asynchronous Receiver/Transmitter
UMTSUniversal Mobile Telecommunications System (Same as 3G)
USB Universal Serial Bus
VBUS Virtual BUS
Vcc Power supply pin
Vin Input voltage
VSWR Voltage Standing Wave Ratio
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